Narrowing searches based on url, author, date, and other attributes is also possible. For instance, the query [ Streisand sourcename:Techdirt ] restricts searches for "Streisand" to items from the blog "Techdirt".
Examples of other operators follow:

sourceurl:http://www.theverge.com/

items from the blog http://www.theverge.com/

sourcename:"New York"

items from blogs with "New York" in the name

date:10/20/11

items that appeared on 10/20/11

date:[10/1/11 TO 10/20/11]

items appearing between 10/1/11 and 10/20/11

author:"Bill Gates"

items by author "Bill Gates"

title:unsubstantiated

items with "unsubstantiated" in the title

body:"severely polluted"

items with "severely polluted" in the body

link:http://www.marco.org/2011/04/16/rumored-apple-hdtv

items linking to http://www.marco.org/2011/04/16/rumored-apple-hdtv

Note: all operators that take urls will accept simple domain names, which match any item at that domain, or complete item urls.

Results 1 - 10 of 13:

It's Getting Awfully Lonely in PC Land
— Micron, Dell, HP and others rush to emphasize anything beyond PCs. — Has the personal-computer business become too toxic to touch? — It seems as if companies can't get out of the PC business fast enough. Micron Technology (ticker: MU) …

Will Tablets Kill the PC Star?
— The proliferation of iPads and other tablets is starting to curtail sales of laptops. — THE AGE OF THE TABLET COMPUTER is upon us, and Wall Street stepped up its efforts this week to gauge just how destructive the trend will be to the traditional personal-computer market.

Whose Yahoo?
— Yahoo! CEO Carol Bartz has the skills needed to transform the Internet giant into a leaner, meaner revenue generator. Why investors win, even without a buyout. Yahoo's Last, Best Hope — CAROL BARTZ COULD BE YAHOO!'S LAST, BEST HOPE. — After her two predecessors failed …

IACI: Diller Would “Love” To Buy Yahoo Personals
— IAC/Interactive (IACI) CEO Barry Diller said on a conference call with analysts today that the company would be interested in acquiring Yahoo (YHOO) Personals, and that the two companies have talked about a possible deal.

Low Bid: Why eBay Shares Trade Near Their Five-Year Low
— IS THERE FRESH TROUBLE BREWING AT EBAY? — The company already faces a variety of headwinds: Many sellers are irritated about recent changes eBay (ticker: EBAY) made in its fee structures. The softening consumer economy is not helping matters.

Google Analyst Day: Ads and Enterprise Panel
— At Google (GOOG) analyst day, next we get a panel lead by Omid Kordestani, the SVP of Global Sales and Business Development. We have a new theme in attire: jackets and even a tie. There are five panelists besides Kordestani.

Google Could Trip Over the Mortgage Mess
— IS GOOGLE TRULY IMMUNE TO THE SUBPRIME-MORTGAGE MORASS? — Ever since Google (ticker: GOOG) whiffed on its second-quarter earnings, fans and critics alike have been entertaining this critical question. — Critics such as Barron's Roundtable …